Chemical analysis suggests the 400-million-year-old fossil Prototaxites was neither plant, animal or fungus – hinting at a ...

Scientists have discovered a new immunotherapy strategy that reduces cancer recurrence in mouse experimental models. The ...

Biotech company Colossal Biosciences said it has brought back the dire wolf, an animal that went extinct 10,000 years ago, ...

and it is easier for scientists to use sufficiently large numbers of animals (rather than people) to attain significant results. Rodents are the most common type of mammal employed in experimental ...